Site with leading physicists' quotes on QM?

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Several of the pioneers of quantum theory wrote of its incomprehensibility, in terms of 'common sense' and understanding beyond 'the math'. Other leading physicists have also commented on how hard it is to get your mind round it (e.g. Einstein, Feynman).

Does anyone know of a website/page which contains a collection of such quote (with sources)?
 
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As I'm sure you know and I just learned, there are plenty of quotes around but some are misattributed and most are without sources.

This are a few quotes with sources if you look for the physicists amongst the mathematicians here:

http://www-gap.dcs.st-and.ac.uk/~history/Quotations/

I doubt that's enough to be useful, though.
 
en...very difficult,especially in china.
 
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